# HAVE3TECH LTD

> HAVE3TECH is a product company building its own software and hardware. We also work with other teams on custom product development.

HAVE3TECH's main focus is its own software and hardware products. Custom product development is also available to other teams.

The engineering Use Cases are illustrative reference scenarios, not completed HAVE3TECH or client projects. Proposed tools and architectures are not claims about the corporate website's installed integrations or measured project results.

## Company and contact
- [Home](https://have3tech.uk/): Product focus and introduction.
- [Company](https://have3tech.uk/about/): Company approach and a short public founder background.
- [Capabilities](https://have3tech.uk/services/): Software, hardware, mobile, AI, analytics, and connectivity capabilities.
- [Use Cases](https://have3tech.uk/use-cases/): The engineering journal and topic filters.
- [Contact](https://have3tech.uk/#contact): Product enquiries: contact@have3tech.uk.

## Capabilities
- [Software products](https://have3tech.uk/services/software-engineering/): We build software products, from a first MVP to the next version of an existing application. The work brings together product flows, applications, APIs, and the backend systems behind them.
- [Hardware products](https://have3tech.uk/services/hardware-products/): Hardware product development, PCB design, electronics, and connected-device prototypes, alongside the software and interfaces that support them.
- [Mobile applications](https://have3tech.uk/services/mobile-applications/): Mobile software designed around your product and the people who use it. We develop applications for iOS and Android, alongside cross-platform applications built with Flutter.
- [SDK development](https://have3tech.uk/services/sdk-development/): Bring your capabilities into other applications. Our work includes mobile software development kits, third-party integrations, and tools for developers.
- [Cloud solutions](https://have3tech.uk/services/cloud-solutions/): The services and infrastructure that keep your software connected. We work on cloud infrastructure, scalable backend services, and integrations between cloud-based systems.
- [iGaming industry](https://have3tech.uk/services/igaming/): Technical development for iGaming businesses: mobile and web products, platform integrations, campaign tracking, and product analytics.
- [Keitaro integration](https://have3tech.uk/services/keitaro-integration/): Keitaro setup and integration for connected campaign tracking. We work on click identifiers, conversion postbacks, traffic-source parameters, and the interfaces between your tracker and product.
- [Marketing & MMPs](https://have3tech.uk/services/marketing-attribution/): Technical marketing setup for mobile and digital products, including mobile measurement partners, campaign parameters, attribution events, and connections to product analytics.
- [Analytics & Amplitude](https://have3tech.uk/services/product-analytics/): Analytics collection and Amplitude integration for mobile, web, and backend systems. We define tracking plans, implement events, and connect product behavior to useful analysis.
- [VPN services](https://have3tech.uk/services/vpn-services/): Engineering for VPN products and connectivity services, from client applications and connection workflows to backend services and infrastructure.
- [AI Pipelines](https://have3tech.uk/services/ai-pipelines/): AI pipelines that turn source data into a working product feature. We connect data preparation, model calls, retrieval, and output processing to the applications and services around them.
- [AI Automation](https://have3tech.uk/services/ai-automation/): AI automation connected to the way your product and business operate. We build workflows for processing information, assisting routine tasks, and connecting results to existing systems.
- [Machine Learning](https://have3tech.uk/services/machine-learning/): Machine learning for features that need to classify, predict, or recommend. We work through data preparation, model experimentation, evaluation, and integration into your product.

## Use Cases: Product building
- [Biometric unlock for an Android and iOS product](https://have3tech.uk/use-cases/biometric-mobile-session-unlock/): A Kotlin and Swift reference design for returning-user authentication, protected credentials, session expiry, and recovery when biometrics change.
- [Useful home-screen widgets for a mobile product](https://have3tech.uk/use-cases/mobile-home-screen-widgets/): A WidgetKit and Jetpack Glance scenario for showing a small, trustworthy product snapshot with freshness indicators and contextual app navigation.
- [Voice shortcuts that reuse a product’s existing actions](https://have3tech.uk/use-cases/voice-shortcuts-connected-product/): An App Intents reference flow for invoking a connected-product action through Siri or Shortcuts, with entity resolution, authorization, and visible confirmation.
- [Previewing a hardware product in a room with ARCore](https://have3tech.uk/use-cases/arcore-hardware-product-preview/): An Android AR reference scenario covering product-scale models, plane placement, anchor lifecycle, tracking quality, and a non-AR fallback.
- [Finding bottlenecks in a C++ mobile streaming engine](https://have3tech.uk/use-cases/cpp-mobile-streaming-performance/): A native streaming reference scenario for measuring buffering, bounding queues, controlling JNI overhead, and preserving responsive mobile playback.
- [Modernizing a mobile app one feature at a time](https://have3tech.uk/use-cases/incremental-mobile-architecture-modernization/): An incremental Kotlin architecture scenario for introducing module boundaries, replacing legacy data access, and keeping releases moving during migration.
- [Remote diagnostics for a connected hardware product](https://have3tech.uk/use-cases/connected-device-remote-diagnostics/): A hardware-support reference design joining device health counters, a mobile diagnostic session, and a minimal support bundle with deliberate access controls.
- [A loyalty SaaS MVP with a mobile app and a rewards ledger](https://have3tech.uk/use-cases/loyalty-saas-mobile-mvp/): A Flutter and PostgreSQL reference product for membership, points earning, reward redemption, and feedback-driven MVP scope.
- [Building a connected sensor product: PCB, firmware, and telemetry](https://have3tech.uk/use-cases/connected-sensor-pcb/): A reference path from a sensor-board prototype to versioned firmware and device telemetry, using KiCad, Zephyr, and MQTT.
- [Bluetooth onboarding for a connected hardware product](https://have3tech.uk/use-cases/bluetooth-device-onboarding/): An illustrative mobile-to-device setup flow covering discovery, ownership, configuration, and recovery from interrupted Bluetooth sessions.
- [Signed firmware updates with test boot and recovery](https://have3tech.uk/use-cases/signed-firmware-updates/): A reference MCUboot and Zephyr update lifecycle with image signing, compatibility checks, staged rollout, and explicit confirmation.
- [A repeatable production test fixture for a custom PCB](https://have3tech.uk/use-cases/pcb-production-test-fixture/): A reference fixture and Python test runner linking board identity, measurements, firmware versions, and repeatable production records.
- [An offline-first field app with Flutter and SQLite](https://have3tech.uk/use-cases/offline-first-field-app/): A reference mobile architecture for local work, a durable sync queue, explicit conflict handling, and recovery after interrupted uploads.
- [Tenant-aware access for a SaaS product](https://have3tech.uk/use-cases/multi-tenant-saas-access/): An illustrative Next.js and PostgreSQL architecture for workspace membership, server-side authorization, and row-level isolation checks.
- [A mobile SDK that fits into another product](https://have3tech.uk/use-cases/mobile-sdk-product-integration/): A reference Kotlin and Swift SDK design covering a small public API, shared HTTP contracts, cancellation, errors, and compatibility testing.

## Use Cases: AI & automation
- [Anomaly detection for connected-device telemetry](https://have3tech.uk/use-cases/device-telemetry-anomaly-detection/): A reference ML workflow that separates data-quality faults from unusual device behaviour, with a baseline, review queue, and versioned evaluation.
- [A RAG knowledge assistant with LangGraph and pgvector](https://have3tech.uk/use-cases/rag-knowledge-assistant/): A reference architecture for searching internal documentation, retrieving permission-aware context, and returning answers with source links.
- [AI support triage with n8n and human review](https://have3tech.uk/use-cases/ai-support-triage-n8n/): How a support workflow could classify incoming tickets, prepare a draft, and keep external actions behind a human approval step.
- [Subscription churn scoring with scikit-learn and MLflow](https://have3tech.uk/use-cases/subscription-churn-scoring/): A practical ML reference scenario covering a time-based dataset, leakage checks, model versioning, and a cautious scoring rollout.

## Use Cases: Growth & analytics
- [iGaming mobile attribution: Meta Ads, Keitaro, and AppsFlyer](https://have3tech.uk/use-cases/igaming-mobile-acquisition-partner-attribution/): A reference journey from a Meta ad and app install to campaign-aware onboarding, multiple partner websites, and registration postbacks through Keitaro and AppsFlyer.
- [Mobile attribution for a Flutter subscription app](https://have3tech.uk/use-cases/flutter-mobile-attribution/): An illustrative AppsFlyer and Amplitude setup connecting campaign acquisition, deep links, and subscription events through a shared event plan.
- [A reliable product analytics pipeline with Amplitude](https://have3tech.uk/use-cases/amplitude-product-analytics/): A reference tracking plan for activation funnels, stable event contracts, server-side delivery, and analytics quality checks.
- [Keitaro integration with reliable server-to-server postbacks](https://have3tech.uk/use-cases/keitaro-server-to-server-postbacks/): A reference conversion pipeline covering click IDs, status mapping, duplicate callbacks, retries, and reconciliation with Keitaro.
- [An iGaming platform event integration built for replay](https://have3tech.uk/use-cases/igaming-platform-event-integration/): A sandbox integration pattern for validating provider callbacks, normalising event contracts, and handling duplicate or out-of-order delivery.

## Use Cases: Infrastructure & connectivity
- [A repeatable mobile release pipeline with Fastlane and Jenkins](https://have3tech.uk/use-cases/mobile-release-pipeline-fastlane-jenkins/): A release-engineering reference for Android and iOS builds, signing boundaries, beta distribution, approvals, and traceable production artifacts.
- [Reliable webhook delivery for a software product](https://have3tech.uk/use-cases/reliable-product-webhooks/): A reference delivery system with a durable outbox, signed requests, bounded retries, endpoint controls, and customer-visible delivery records.
- [A static Next.js product site on S3 and CloudFront](https://have3tech.uk/use-cases/nextjs-static-site-aws/): A reference deployment for a product website with a private S3 origin, CloudFront HTTPS, correct static routes, and reversible content releases.
- [Designing a mobile VPN connection lifecycle with WireGuard](https://have3tech.uk/use-cases/wireguard-vpn-mobile-lifecycle/): A reference mobile VPN architecture covering device enrolment, key handling, tunnel state, network changes, and revocation.

## Policies
- [Privacy Policy](https://have3tech.uk/privacy/): Contact processing, AWS hosting, Private Email, and optional consent-based Google Analytics.

## Optional
- [Expanded company and engineering reference](https://have3tech.uk/llms-full.txt): Plain-text company context, capability descriptions, and the complete illustrative articles, generated from the same public content sources.
- [XML sitemap](https://have3tech.uk/sitemap.xml): Canonical public HTML page URLs.